miller’s-thumb Table of Contents Introduction References & Edit History Quizzes Animal Group Names Deadliest Animals Quiz Wild Words from the Animal Kingdom Vocabulary Quiz Match the Baby Animal to Its Mama Quiz Animal Factoids Read Next Why Do Animals Have Tails? Abundant Animals: The Most Numerous Organisms in the World 9 Fish Named After Other Animals 10 Animals With Evolutionary Traits Plucked Straight Out of a Nightmare 9 Animals That Look Like Leaves Discover Ten Days That Vanished: The Switch to the Gregorian Calendar What Is the Emoluments Clause? 7 of History's Most Notorious Serial Killers Timeline of the 2000s 12 Novels Considered the “Greatest Book Ever Written” 6 Animals We Ate Into Extinction Water Fluoridation: Just the Facts Contents Science Birds, Reptiles & Other Vertebrates Fish miller’s-thumb fish Ask the Chatbot a Question More Actions Print Cite verifiedCite While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions. Select Citation Style MLA APA Chicago Manual of Style Copy Citation Share Share Share to social media Facebook X URL https://www.britannica.com/animal/millers-thumb Feedback Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article. External Websites Ask the Chatbot a Question Also known as: Cottus gobio Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Article History Table of Contents Table of Contents Ask the Chatbot miller’s-thumb, fish that is a species of sculpin (q.v.).